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Sisters of Charity

(Encyclopedia)Sisters of Charity, in the Roman Catholic Church, name of many independent communities of women. Most of them owe their origin to the institute of St. Vincent de Paul, founded (1634) for works of merc...

Clarendon, Constitutions of

(Encyclopedia)Clarendon, Constitutions of, 1164, articles issued by King Henry II of England at the Council of Clarendon defining the customs governing relations between church and state. In the anarchic conditions...

balance of power

(Encyclopedia)balance of power, system of international relations in which nations seek to maintain an approximate equilibrium of power among many rivals, thus preventing the preponderance of any one state. Crucial...

Cleves, duchy of

(Encyclopedia)Cleves, duchy of, former state, W Germany, on both sides of the lower Rhine, bordering on the Netherlands. Cleves was the capital. A county from late Carolingian times, it acquired (late 14th cent.) t...

Catherine of Braganza

(Encyclopedia)Catherine of Braganza brəgănˈzə [key], 1638–1705, queen consort of Charles II of England, daughter of John IV of Portugal. She was married to Charles in 1662. As part of her dowry England secure...

diseases of plants

(Encyclopedia)diseases of plants. Most plant diseases are caused by fungi, bacteria, and viruses. Although the term disease is usually used only for the destruction of live plants, the action of dry rot and the rot...

Doctrine of Signatures

(Encyclopedia)Doctrine of Signatures, the concept that the key to humanity's use of various plants was indicated by the form of the plant. The red sap of the bloodroot (Sanguinaria canadensis), for instance, was be...

chamber of commerce

(Encyclopedia)chamber of commerce, local association of business people organized to promote the welfare of their community, especially its commercial interests. Each chamber of commerce usually has an elected boar...

energy, sources of

(Encyclopedia)energy, sources of, origins of the power used for transportation, for heat and light in dwelling and working areas, and for the manufacture of goods of all kinds, among other applications. The develop...

philosophy of science

(Encyclopedia)philosophy of science, branch of philosophy that emerged as an autonomous discipline in the 19th cent., especially through the work of Auguste Comte, J. S. Mill, and William Whewell. Several of the is...